project_leader David St. Pierre, Executuve Director, The Metropolitan Water Reclamation District of Greater Chicago

project_headline The crappiest place on earth

project_description

Chicago’s Stickney Water Reclamation Plant is the biggest wastewater treatment plant on Earth. In fact, at a whopping 260 square miles (570 acres) it’s so vast it even has its own railway. And soon it will churn all its sewage into energy – pumping ‘poop’ into power.

Among the 1,200 wastewater treatment plants that produce natural gas in the US, few have set their sights on attaining energy neutrality (generating energy sustainably) and even fewer are funnelling power back into the grid. Stickney has announced it aims to do both, with the goal of becoming energy neutral by 2023. Take a look inside:

Anaerobic digestion is not a novel technology. This process of breaking bacteria down into wastewater components to form natural gas has become widespread in Europe and Africa over the past decade. However, its adoption has been slow to grow across the Atlantic.

Watch how contaminants are removed from wastewater at Stickney, and separated to make biogas, before being filtered:

Some estimates suggest that the energy stored in sewage could be as high as two to ten times greater than the amount needed to process it. By becoming a producer of fuel, these plants can curb greenhouse gas emissions and avoid other more aggressive extraction practices, such as fracking – which is increasingly wreaking havoc on natural environments in the US and elsewhere.

Anaerobic digestion may prove to be even more promising in less economically developed countries, where wastewater treatment is rare due to financial and infrastructural barriers. By turning pollutants into profits, the costs of water, sanitation and electricity services could not only decrease, but the services would become more sustainable.

The crappiest place on earth

United States (Chicago)

Chicago’s Stickney Water Reclamation Plant is the biggest wastewater treatment plant on Earth. In fact, at a whopping 260 square miles (570 acres) it’s so vast it even has its own railway. And soon it will churn all its sewage into energy – pumping ‘poop’ into power.

Among the 1,200 wastewater treatment plants that produce natural gas in the US, few have set their sights on attaining energy neutrality (generating energy sustainably) and even fewer are funnelling power back into the grid. Stickney has announced it aims to do both, with the goal of becoming energy neutral by 2023. Take a look inside:

Anaerobic digestion is not a novel technology. This process of breaking bacteria down into wastewater components to form natural gas has become widespread in Europe and Africa over the past decade. However, its adoption has been slow to grow across the Atlantic.

Watch how contaminants are removed from wastewater at Stickney, and separated to make biogas, before being filtered:

Some estimates suggest that the energy stored in sewage could be as high as two to ten times greater than the amount needed to process it. By becoming a producer of fuel, these plants can curb greenhouse gas emissions and avoid other more aggressive extraction practices, such as fracking – which is increasingly wreaking havoc on natural environments in the US and elsewhere.

Anaerobic digestion may prove to be even more promising in less economically developed countries, where wastewater treatment is rare due to financial and infrastructural barriers. By turning pollutants into profits, the costs of water, sanitation and electricity services could not only decrease, but the services would become more sustainable.

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